偏高

Ungula and ring fracture are due to higher surface hardness.The rational suggestions to settle fracture are put forward.

爪形和环形断裂由表硬度造成,并提出解决断裂问题的合理化建。

Surface water is generally coloured and turbid.When total phosphorus is analyzed by luminometer, the monitoring result will be somewhat high.

水一般带色且浊，采用光度法析水样中总磷时，会使测定结。